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47887061 is a prime number
BaseRepresentation
bin1011011010101…
…1001011010101
310100002220200212
42312223023111
544224341221
64430215205
71121014265
oct266531325
9110086625
1047887061
1125038292
1214054505
139bc8751
1465077a5
15430db5b
hex2dab2d5

47887061 has 2 divisors, whose sum is σ = 47887062. Its totient is φ = 47887060.

The previous prime is 47887043. The next prime is 47887097. The reversal of 47887061 is 16078874.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 41667025 + 6220036 = 6455^2 + 2494^2 .

It is a cyclic number.

It is not a de Polignac number, because 47887061 - 26 = 47886997 is a prime.

It is a super-2 number, since 2×478870612 = 4586341222435442, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (47887561) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23943530 + 23943531.

It is an arithmetic number, because the mean of its divisors is an integer number (23943531).

Almost surely, 247887061 is an apocalyptic number.

It is an amenable number.

47887061 is a deficient number, since it is larger than the sum of its proper divisors (1).

47887061 is an equidigital number, since it uses as much as digits as its factorization.

47887061 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 75264, while the sum is 41.

The square root of 47887061 is about 6920.0477599508. The cubic root of 47887061 is about 363.1388616913.

The spelling of 47887061 in words is "forty-seven million, eight hundred eighty-seven thousand, sixty-one".